JP2842197B2 - Packaging equipment - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a packaging apparatus for packaging an object to be packaged in a heat sealable film.

[0002]

2. Description of the Related Art Heretofore, the present applicant has proposed a device for wrapping enoki mushrooms in a film as an object to be wrapped, for example, in Japanese Utility Model Publication No. 4-548.
No. 82 has developed a packaging device.

[0003] In this packaging device, while a continuous heat-sealable strip film is continuously drawn from a supply unit, the film is conveyed by a conveyance guide unit in a two-fold state in which an upper part is opened by a two-fold device. The upper edge of the left and right opening of the band-shaped film is held and opened by a predetermined length by the opening guide portion provided in the opening portion, and the enoki mushroom is introduced from the opening portion, and the upper portion of the band film containing the enoki mushroom is formed into a cylindrical shape by a sealing device. This is to seal horizontally.

Further, in this apparatus, a front end of a cylindrical film containing enoki mushrooms formed in a cylindrical shape is chucked and pulled out by a moving chuck portion provided in front of a transport guide portion, and the base end portion is vertically moved. It seals and separates a little behind the vertical seal portion by a cutting device.

In the conventional packaging apparatus, the detached bottomed cylindrical bag is received by a transfer support, and the transfer support is moved laterally to perform deaeration and twisting of the front end opening. In addition, post-processing such as sealing of the mouth is performed by a post-processing device provided on one side, and the post-processed bag is discharged to the side by sending the carrier to the side. .

[0006] A number of such transfer bearings are arranged side by side on a belt conveyor that moves sideways and turns around. When the transfer support is transferred to the side by a predetermined distance, the next transfer support is positioned below the cylindrical film withdrawal position by the moving chuck. Designed to wait on,
The next tubular film containing Mushrooms is pulled out and supported on this carrier, and after the post-processing of the bags containing Mushrooms that has been transported to the side is completed, it is further moved to the side and rotated. Thus, the bag after the post-processing is dropped and discharged, and the next bag containing the enoki mushroom is fed to the side, and the post-processing is performed continuously.

[0007]

Therefore, in the conventional packaging apparatus, in addition to the vertical and horizontal closing processing (sealing processing) of the strip-shaped film containing the enoki mushrooms, degassing processing, twisting of the mouth portion, and mouth opening A post-processing step such as a seal closing process is performed by a series of operations, and the bag that has completed this processing can be discharged. The post-processing of the bag cannot be performed, and it is necessary to wait at the drawer position.

[0008] Therefore, the next cylindrical film cannot be pulled out one after another by the moving chuck unit until the post-processing is completed. It is determined by the ability, and there is a problem that the working speed is extremely slow and the working efficiency is not improved.

SUMMARY OF THE INVENTION It is an object of the present invention to find out that there is such an improvement in the conventional packaging apparatus, and to provide an excellent packaging apparatus which can solve the above-mentioned problems and improve the working efficiency.

[0010]

The gist of the present invention will be described with reference to the accompanying drawings.

The left and right upper edges of the strip-shaped film 2 are fixed to a predetermined length by a transfer guide section 3 which transfers the heat-sealable strip-shaped film 2 continuously pulled out from the supply section 1 to the folded state with the upper part opened. An opening guide portion 4 is provided for guiding the conveyance while holding the opening, and an upper opening of the band-shaped film 2 containing a packaged object 5 inserted from the opening portion opened by the opening guide portion 4 in front of the opening guide portion 4. A sealing device 6 for closing the portion in a cylindrical shape is provided.
A movable chuck portion 7 for chucking the front end portion of the tubular film 2A and pulling out the front end portion is provided in front of the movable film portion, and the rear end portion of the tubular film 2A containing the article to be packaged 5 drawn forward by the movable chuck portion 7 is closed. A sealing device 8 and a cutting device 9 for cutting a portion slightly behind the sealing portion closed by the sealing device 8 are provided at the front end of the transport guide portion 3, and the packaged articles 5 cut by the cutting device 9 are contained. Bag 2
In a packaging device provided with a post-processing device 10 for performing post-processing such as deaeration of B, twisting of the front end of the bag 2B, and closing of the front end of the bag 2B, the moving chuck 7 pulls out and cuts the device. A distributing mechanism 11 for distributing and transporting the bag 2B containing the article to be packaged 5 separated by the bag 9 to the left and right at the position where the bag 2B is pulled out is provided at least on the left and right at the position where the bag 2B is pulled out. Post-processing device
The present invention relates to a packaging device characterized in that 10 is provided.

Further, the transport guide portion 3 is constituted by a clamping roller 3A for clamping an upper edge portion of the folded film 2 having an open top, and the position of the clamping roller 3A is vertically movable. 2. A packaging apparatus according to claim 1, further comprising an elevating device 12 for vertically moving the holding roller 3A in accordance with the width of the folded back of the film 2.

[0013]

The moving chuck section 7 chucks the front end of the tubular film 2A and moves forward to guide the tubular film 2A to the front. At the same time, the strip film 2 in the preceding stage is supplied from the supply section 1. It is pulled out and conveyed through the conveyance guide section 3 to the front in an open state with the upper part in an folded state.

At the time of this conveyance, an open portion is formed in the open guide portion 4 of the conveyance guide portion 3 because the upper edge of the left and right openings of the belt-shaped film 2 is conveyed while being held for a predetermined length. The object 5 is charged and the article to be packaged 5 is stored in the belt-shaped film 2. The upper opening of the belt-shaped film 2 is closed in a cylindrical shape by a sealing device 6 provided in front of the opening guide 4 of the transport guide 3.

After the tubular film 2A containing the article to be packaged 5 is pulled out by the movable chuck 7, the rear end of the cylindrical film 2A is closed by the sealing device 8, and the cutting device 9 is slightly behind the sealing portion. Is disconnected.

The separated bag 2B having the bottomed tubular article 5 is sorted and retracted to one of the right and left sides by a sorting mechanism 11, and the bag 2B is degassed by a post-processing device 10 provided on one side. And post-processing such as twisting of the front end mouth and closing of the front end mouth are discharged.

Without waiting for this post-processing, the next bag 2B containing the article to be packaged 5 is pulled out by the moving chuck portion 7, and is conveyed to the opposite side by the distribution mechanism 11, and is post-processed by the post-processing device 10 on the opposite side. Is carried out, and are sequentially sorted and packaged by the left and right post-processing devices 10.

[0018]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment in which the present invention is applied to a packaging apparatus for packaging enoki mushrooms as a packaged object 5 will be described with reference to the accompanying drawings.

The supply section 1 will be described.

At the rear end of the machine base a, a film web F wound with a heat-sealable band-like film 2 made of transparent polyethylene or vinyl is arranged on a roller 1A and rotatably provided. The belt-like film 2 is configured to be able to be continuously pulled out from the placed film raw material F.

A description will be given of the transport guide section 3 provided from the rear end of the machine base a to the front.

Above the roller 1A of the supply unit 1, a two-folding device 3 for forming the belt-like film 2 guided and pulled out from the film web F into an open state with the upper part opened.
B is provided.

This two-folding device 3B has a C-shaped guide plate 13A having a C-shaped edge obliquely provided at the rear end, and a horizontal plate 13B provided continuously in front of the C-shaped guide plate 13A. A guide side plate 14 is formed on both left and right edges of 13B.
The holding roller 3A is arranged in front of and between them.

Accordingly, the rotatable roller 1A is provided.
The strip-shaped film 2 pulled out from the film web F mounted thereon is brought into contact with the C-shaped edge of the C-shaped guide plate 13A, guided to the guide side plate 14, and along the inner surface of the guide side plate 14. It is guided to the holding roller 3A, and at the position of the holding roller 3A, it is folded downward and is folded in two with its upper part opened, so that the upper edge portion is held by the holding roller 3A and conveyed.

In front of the folding device 3B, the rear clamping roller 3A and the front clamping roller 3A are provided at the other front end, respectively, and the upper part of the band-shaped film 2 folded in half by the folding device 3B. It is configured to hold and guide the conveyance forward.

The holding roller 3A is driven by a drive belt T in synchronization with pull-out conveyance. A belt conveyor device K for supporting the bottom of the belt-shaped film 2 is provided below the front and rear clamping rollers 3A.

An open guide 4 is provided on the front side of the folding device 3B.

The open guide portion 4 of the present embodiment is formed integrally with the two-folding device 3B. The open guide portion 4 is provided on the horizontal plate 13B of the two-folding device 3B.
The left and right upper edges of the strip-shaped film 2 are opened and held by a predetermined length range on the left and right guide side plates 14 on 13B to form an open portion. doing.

The articles 5 to be packaged are temporarily placed on the horizontal plate 13B, transported with the transport of the belt-like film 2, and guided by a guide plate 4A connected in front of the horizontal plate 13B. K and is transported in a state where it is accommodated in the band-shaped film 2.

At this time, a position regulating plate 4B for determining the position of the packaged object 5 placed on the horizontal plate 13B is erected between the guide side plates 14 so as to be openable and closable. At the same time, the package 5 is placed on the horizontal plate 13B, and at the same time, the package 5 is detected by a package supply sensor (not shown) provided at an appropriate position on the guide side plate 14,
On the basis of this detection signal, the position regulating plate 4B pivots from the upper position as a base and opens, and the belt-shaped film 2 is intermittently conveyed by a predetermined amount by driving the front and rear clamping rollers 3A.

A belt-like film 2 is provided between the front and rear clamping rollers 3A, 3A in front of the opening guide section 4 of the transport guide section 3.
Is provided with a sealing device 6 for laterally sealing the upper opening of the first member.

The sealing device 6 is for welding and sealing the upper opening of the strip-shaped film 2 into which the article to be packaged 5 has been loaded by an ultrasonic welding machine as the strip-shaped film 2 is conveyed.

Accordingly, the band-shaped film 2 is formed into a cylindrical shape whose upper opening is sealed and closed by the sealing device 6, and the article to be packaged 5 is stored in the cylindrical film 2A.

At the front end of the transport guide portion 3, a clamping roller 3A at the front portion is provided, and the tubular film 2A can be pulled out from the clamping roller 3A and transported by the moving chuck portion 7.

The moving chuck 7 will be described.

The moving chuck portion 7 is provided at the front end side of the machine base a, moves backward, chucks the front end of the cylindrical film 2A protruding from the holding roller 3A at the front end of the transport guide portion 3, and returns forward. It is configured so that it can be moved to pull out and transport the cylindrical film 2A, and the chuck can be released after drawing out.

The sealing device 8 and the cutting device 9 provided at the front end of the transport guide section 3 will be described.

A heat sealing device for applying a vertical seal to a position opposite to the rear end portion of the packaged object 5 of the tubular film 2A containing the packaged object 5 drawn out by the moving chuck portion 7 and the base end portion of one package behind. 8 are provided.

The tubular film 2A formed into a belt shape by the heat sealing device 8 is vertically sealed at the rear portion, and has a bottomed tubular shape with only the front opening portion opened. A fixed amount of the packaged object 5 is stored.

The heat sealing device 8 comprises a clamping heater portion 8A and a clamping receiving portion 8B opposed thereto, and a cutting device 9 is provided behind the clamping heater portion 8A and the clamping receiving portion 8B. The cutter blade 9A of the cutting device 9 includes a cutter blade 9A disposed therein and an insertion groove 9B for receiving the cutter blade 9A. With the opening / closing operation, it projects from the side of the tubular film 2A, and along with this operation, the tubular film 2A is cut slightly behind the vertical seal portion.

Accordingly, the tubular film 2A containing the packaged object 5 pulled out by the moving chuck portion 7 is cut with the rear portion sealed and cut, and the cut-off cylindrical tubular packaged product having only the front end opening is opened. The bag 2B is then separated from the subsequent tubular film 2A by the cutting device 9.

In this way, the movable chuck portion 7 is operated at a predetermined timing, and the tubular films 2A are successively pulled out and cut off, and the bag 2B containing the article to be packaged 5 is post-processed by the post-processing device 10. It will be.

Next, the sorting mechanism 11 and the post-processing device 10, which are the gist of the present invention, will be described.

The distributing mechanism 11 pulls out the cylindrical film 2A and separates the bag 2B, which is separated into a bottomed cylindrical shape by the heat sealing device 8 and the cutting device 9, from the left and right sides of the bag 2B. This is a mechanism for suspending and distributing the bags 2B that are alternately pulled out one after another.

In the present embodiment, the separated bag 2
A pair of dividing / clamping portions 16 for clamping and transporting the upper portion of B are provided side by side in the left-right direction, and the dividing / clamping portions 16 are vertically provided on a left / right slide body 17 provided to be slidable left and right.

As shown in FIG. 6, the clamping mechanism for opening / closing the dividing / clamping section 16 includes a pair of left and right movable movable pieces 16A as the dividing / clamping section 16 and a pair of left and right movable pieces 16A. Guide rod 16B with movable piece 16A installed in the left-right direction
Slidably on the left and right.
A rack plate 16D is attached to an installation plate 16C on one side of which the movable movable pieces 16A are integrated with each other, and a rack plate 16E is mounted on the installation plate 16E which integrates the movable movable pieces 16A on the opposite side of the distributing and attaching portion 16.
F, the rack plate 16D and the rack plate 16F are arranged side by side to face each other, a transmission pinion 16H is meshed between the rack plate 16D and the rack plate 16F, and one of the rack plates 16D is moved forward and backward in the erection direction. A clamping drive unit 19 is provided. Therefore,
When the rack plate 16D is pushed by the clamping drive unit 19 from the open state in FIG. 6, one of the clamping movable pieces 16A integrated with the rack plate 16D and the bridge plate 16C is moved inward. The rack plate 16F is pulled in the opposite direction to the rack plate 16D via the transmission pinion 16H, and the opposing holding movable pieces 16A integrated with each other via the erection plate 16E are moved inward to move the respective holding movable pieces. 16A comrades pinch and block. Sorting / clamping section 16 operated by clamping (chuck) by this clamping mechanism
Are arranged side by side on the left and right.

Further, in the present embodiment, a front-rear slide 18 is vertically suspended on the left-right slide 17 so as to be slidable in the front-rear direction. The sorting / clamping portion 16 is vertically attached to the slide body 17, and can be moved in the front-rear direction by the front-rear slide body 18 and can be moved in the left-right direction by the left-right slide body 17.

Therefore, in this embodiment, when the paper is first sorted and conveyed to the right side, the upper portion of the bag 2B containing the article to be packaged 5 which is cut by the drawer cutting device 9 by the moving chuck 7 is driven in parallel by the driving of the clamping drive unit 19. The front / rear drive unit 20 is moved forward by chucking with the right sorting / holding unit 16 provided, and the rod 20A of the front / rear drive unit 20 is protruded rearward. body
By moving the rod 21A of the left and right drive unit 21 provided on the mounting top plate 17A forward and backward while sliding the 18 forward, the rod 21A is vertically mounted on the rod 21A and vertically mounted below the mounting top plate 17A via the long window 17B. The right and left slide members 17C are slid using a slide guide rod 17D provided on the lower surface of the mounting top plate 17A as a guide, and are suspended through the front-rear drive unit 20 and the front-rear slide member 18 suspended from the slide guide rod 17D. Slide the distributed holding section 16 to the right. Accordingly, the cut bag 2B containing the article to be packaged 5 is evacuated and conveyed obliquely to the right and forward, whereupon the chuck of the sorting / clamping portion 16 is released, and is received by the right support member 22 provided below. It is composed. In this embodiment, the post-processing step is smoothly performed without contacting the mechanism formed on the packaging machine main body by distributing diagonally rightward, instead of merely distributing to the side.

Next, when the front-rear slide 18 is moved backward by the front-rear drive unit 20, the left and right clamping unit is moved.
16 is located at the position where the tubular film 2A is pulled out.

Then, the next tubular film 2A containing the next packaged object 5 is pulled out without having the post-processing of the bag 2B previously distributed to the right side. The bags 2B are distributed and conveyed, and are supported on the left support body 22.

The post-processing device 10 is provided on each of the right and left support bodies 22 so as to perform post-processing on the bag 2B containing the article to be packaged 5 on the support body 22.

As described above, in the present embodiment, the bag 2B is separated by the heat sealing device 8 and the cutting device 9 without being waited for the end of the post-processing of the previously drawn one, without being terminated. After that, the sheet is conveyed alternately left and right by the distributing mechanism 11, and the left and right post-processing devices 10
, So that post-processing can be performed, and the working efficiency is doubled.

In the present embodiment, the support 22 is a cylindrical film 2A.
Is provided at the left and right side positions from the transfer point of
Are provided so that side wall plates 22B, which can be erected on the left and right sides of the support bottom plate portion 22A, are rotatable to the left and right on both sides of the support bottom plate portion 22A, and can be freely opened and closed.

Accordingly, the support body 22 has left and right side wall plate portions 22.
B is widely opened outward and the bag 2B is awaited to be transported, the bag 2B is transported upward, the chuck by the sorting and clamping portion 16 is released, and the bag 2B containing the article 5 to be packaged is supported by the support 22. When placed on the bottom plate portion 22A, as shown in FIG. 8, the support opening / closing drive portion 22I is driven to move the link connecting portion 22K projecting from the outer surface of the side wall plate portion 22B via the link mechanism 22J upward. By pushing, the left and right side wall plates 22B rise and move.
As a result, the left and right side wall plates 22B rise inward and close, holding the bag 2B containing the article 5 to be packaged.

The closing operation by the side wall plate 22B allows the bag 2B to be held at the center so that the bag 2B is always held at the center without shifting the bag 2B to the left and right, and the bag 2B is held and positioned.

Therefore, there is no problem in the post-processing such as the folding process of the end portion of the bag 2B positioned so as to be a surplus portion of the subsequent bag 2B and the twisting process of the mouth portion, and the like.
A smooth post-processing can always be performed.

The opening operation of the side wall 22B of the support 22 is similarly performed by the support opening / closing drive unit 22I via the link mechanism 22J.

In the present embodiment, when performing post-processing, the support 22 is first inclined sideways (outward).

As shown in FIG. 7, the tilting mechanism of the support 22 is provided with the support 22 so as to be tiltable and rotatable, and a rotation arm 22E is attached to the rotation shaft 22D. Is connected to a tilt drive unit 22F via a link mechanism G so as to rotate. Accordingly, the rod 22H of the tilt drive unit 22F
The arm 22E for rotation is rotated via the link mechanism 22G by rotating the rotation shaft 22D to rotate the rotation shaft 22D.
Is inclined.

Next, the post-processing device 10 will be described.

The post-processing apparatus 10 is provided on the left and right sides, and has a bottomed tubular bag 2B containing only the to-be-opened portion at the front end.
, The bag wrapping process of the upper edge portion (the front end mouth portion) which becomes an excess portion of the bag 2B, the twisting process of the front end mouth portion, and the seal closing process are all performed in a series of operations. ing.

In the deaeration process, after the support body 22 is inclined, the pressing body 23 is pressed obliquely from above by the pressing cylinder 23A so that excess air in the bag 2B is deaerated from the mouth.

As shown in FIG. 12, the folding process of the upper edge portion, which is the surplus portion of the bag 2B, is performed by sliding the flat folded movable plate 26A outward slightly below the upper portion of the bag 2B. The upper end is folded inward, and is folded back by a plate-like folded fixing plate 26B fixed slightly above the side of the supporting body 22, where the supporting body 22 is inclined and the bag 2B is inclined. The folded back edge is pressed down by the back surface of 26B. Therefore, in this embodiment, the folded base plate is reliably pushed down by the folded fixed plate 26B while the folded base end is securely pushed by the folded movable plate 26A.

In the twisting process of the mouth portion of the bag 2B, the mouth portion is held by four holding claws 24, and the holding claws 24 are rotated several times in this holding state to twist.

The sealing of the mouth portion of the bag 2B is closed by a heat sealing device 25 for heat sealing the twisted mouth portion.

The above-described processing is performed by a series of operations, and the post-processing device 10 forms a bag 2B (package) of the packaged object 5 whose mouth is twisted and sealed by post-processing. Discharge.

In this embodiment, the discharge mechanism tilts the support body 22 outward (already tilted at the time of post-processing), and opens the outer side wall plate portion 22B outward to support. The bag 2B is configured to drop and discharge to the outside.

Further, the bag 2 in the post-processing device 10 of the present embodiment
The twisting mechanism at the mouth of B will be described.

In this embodiment, the bag 2B supported on the support 22
The upper portion of the bag 2B is formed by folding the upper end of the bag 2B inward by the above-mentioned folding plate processing, and the front end of the front end of the bag 2B including the folded upper end is clamped by four clamping claws 24. Make up.

The holding claws 24 have a pair of holding claws 24 provided in an intersecting state to form a total of four bodies, and the intersection angle θ is about 50 degrees. Therefore, each of the holding claws 24 converge toward the center from 25 degrees diagonally upward and 25 degrees diagonally below, and hold the folded front end 2C and the folded base end 2C 'at an interval. By holding the group at the center where it converges while rotating, the group of claws 24 rotate so that
It is possible to reliably perform the twisting in a sealed state, and it is possible to surely prevent the occurrence of an opening or a disengagement of the claws while twisting and a failure of twisting when the twisting position is shifted.

If a twisting process is performed simply by sandwiching and rotating between holding plates having a predetermined width in the upper and lower directions, a torsion leakage opening or the like does not occur. There is a problem that the film cannot be twisted by twisting only a clean mouth portion because the film is too entangled, and there is a problem that the film to be wound is large due to a large amount of winding of the film.

Therefore, in this embodiment, as described above, a clamping claw structure for converging and clamping from a plurality of positions as described above is provided, and the four claws are formed in a four-piece manner. The convergence is performed so that the above-described good twisting process can be performed without causing the problem.

The holding claw 24 is provided at the tip of an opening / closing arm 24A that can move open / close and converge.

The opening / closing arm 24A is attached to the pinion 24B, and the pinion 24B is formed so as to mesh with the rack teeth 24D formed on the peripheral surface of the movable rack body 24C. Rod by part 24E
The opening and closing arm 24A is opened and closed by rotating the pinion 24B by the movement of the moving rack body 24C, and the holding claw 24 at the tip thereof is opened and closed and movable. I have.

Further, a rotating shaft 24G is provided on the holding claw 24,
(The rod 24F is disposed within the rotation shaft 24G)
A pinion 24H is provided on the rotation shaft 24G, and the pinion 24H is provided.
A rack plate 24I meshing with H is provided on the rotation drive unit 24J,
The rotation driving unit 24J rotates the movable rack body 24C via the rack and pinion mechanism, thereby rotating the holding claw 24 at the tip thereof together with the opening / closing arm 24A.

In this embodiment, an elevating device 12 for vertically moving the front and rear gripping rollers 3A in accordance with the folded width of the bag 2B is provided, and the position of the distribution mechanism 11 follows the elevating device. It is vertically movable by 12A.

The lifting device 12 rotates the gear by manual rotation of the handle or by the rotation of the driving source, and the rotation of the gear rotates the screw supporting rod to hold the transport guide 3 in front and rear. Mounting upper plate 15 with roller 3A attached
Are raised and lowered.

Elevating device similarly constructed according to this elevating
Position of the distribution mechanism 11 by 12A, that is, the left and right slide body
The position of 17 is raised and lowered to follow and adjust the position of the sorting and holding portion 16.

[0079]

Since the present invention is constructed as described above, the next tubular film containing the article to be packaged is drawn out without waiting for the completion of post-processing such as deaeration processing and twisting of the front end mouth, and thereafter. Since the processing can be performed, the working efficiency can be extremely improved, the working speed can be doubled, and an extremely excellent packaging device that can achieve high speed of the device can be achieved.

Further, if the holding roller of the transport guide is provided so as to be able to move up and down in accordance with the width of the folded back of the belt-shaped film,
Even if the dimensions of the strip-shaped film are varied according to the filling amount of the article to be packaged, it can be adjusted and used in accordance with this, resulting in a packaging device with excellent practicality.

[Brief description of the drawings]

FIG. 1 is a schematic configuration side view of the present embodiment.

FIG. 2 is a schematic configuration plan view of the present embodiment.

FIG. 3 is a schematic structural explanatory view of the present embodiment.

FIG. 4 is an explanatory perspective view of a drawer portion of the moving chuck unit according to the embodiment.

FIG. 5 is a schematic front view of the configuration of a sorting mechanism and a post-processing device according to the present embodiment.

FIG. 6 is an explanatory plan view of a distribution mechanism of the present embodiment.

FIG. 7 is an explanatory front view showing the operation of the bearing body of the post-processing device of the embodiment.

FIG. 8 is an explanatory side view of a support body of the post-processing device of the present embodiment.

FIG. 9 is an explanatory perspective view illustrating a torsion processing mechanism and the like of the post-processing device of the present embodiment.

FIG. 10 is an operation explanatory view showing a torsion processing mechanism and the like of the post-processing device of the present embodiment.

FIG. 11 is an explanatory side view showing a torsion processing mechanism and the like of the post-processing device of the present embodiment.

FIG. 12 is a diagram illustrating the operation of the folding process of the mouth portion of the bag according to the present embodiment.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Supply part 2 Strip film 2A Cylindrical film 2B bag 3 Conveyance guide part 3A Nipping roller 4 Open guide part 5 Packaged object 6 Sealing device 7 Moving chuck part 8 Sealing device 9 Cutting device 10 Post-processing device 11 Distributing mechanism 12 Lifting device

Claims (2)

(57) [Claims] 1. A left and right upper edge of a band-shaped film is held at a predetermined length in a conveyance guide portion for conveying a heat-sealable band-shaped film continuously pulled out from a supply section in a folded state with an upper part opened. An opening guide portion for guiding the conveyance in a state of being provided is provided, and an upper opening portion of the band-shaped film accommodating the object to be packaged from the opening portion opened by the opening guide portion in front of the opening guide portion is closed in a cylindrical shape. A sealing device is provided, and a moving chuck portion that chucks the front end of the tubular film and moves it out in front of the transport guide portion is provided. A seal device for closing and a cutting device for cutting a portion slightly behind the seal portion closed by the seal device are provided at the front end of the transport guide portion. In a packaging apparatus provided with a post-processing device for performing post-processing such as deaeration of a bag containing a packaged object separated by the above, twisting of a front end mouth portion of the bag, and closing of a front end mouth portion, the moving chuck A sorting mechanism for sorting and transporting the bags containing the articles to be packaged separated by the drawer cutting device to the left and right with the bag withdrawal position as a boundary, and at least the post-processing with the left and right with the bag withdrawal position as the boundary. A packaging device comprising the device. 2. The conveyance guide portion is constituted by a clamping roller for clamping an upper edge portion of a folded-back band-shaped film having an open upper part, the position of the clamping roller is configured to be movable up and down, and the band-shaped film is folded back and down. 2. The packaging device according to claim 1, further comprising an elevating device that moves the holding roller up and down according to the width.